.sit1{
    width: 100%; height: 400px; background-color: #483d8b
}
.sit2{
    margin-top: 5px; width: 300px
}
.sit3{
    width: 100%
}
.sit4{
    margin-left: -5px; margin-top: 5px
}
.sit5{
    margin-left: 5px
}
.sit6{
    width: 20px; margin-top: 10px
}
.sit7{
    width: 100%; height: 140px; background-color: #333333; text-align: left
}
.sit8{
    color: chocolate
}
.sit9{
    width: 100%
}
.sit10{
    width: 70%; float: left
}
.sit11{
    width: 30%; float: left
}
.sit12{
    color: orange
}
.sit13{
    width: 80%; height: 80%
}
.sit7{
    width: 100%; height: 140px; background-color: #333333; text-align: left
}
.sit8{
    color: chocolate
}
.sit9{
    width: 100%
}